Home / 637,412.60-879,612.32-350,934.84

Finding the Fourth Proportional to 637,412.60, 879,612.32 and 350,934.84

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Solution

The fourth proportional to 637,412.60, 879,612.32 and 350,934.84 is: 484,280.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,412.60 : 879,612.32 = 350,934.84 : x
  2. Step 2: Convert to fraction form
    637,412.60/879,612.32 = 350,934.84/x
  3. Step 3: Cross multiply
    637,412.60x = 879,612.32 × 350,934.84
  4. Step 4: Simplify right side
    637,412.60x = 308,686,608,781.23
  5. Step 5: Solve for x
    x = 308,686,608,781.23/637,412.60
  6. Step 6: Final answer
    x = 484,280.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.